UPSC conducts a written exam for National Defence Academy (NDA) twice a year first in April end and second in second week of September. In 2018 NDA exams are scheduled to be conducted on 22nd April and 9th September in 2018 ,followed by extensive interviews by the SSB covering general aptitude, psychological testing, team skills as well as physical and social skills, along with medical tests to shortlist candidates for this prestigious institute. NDA is the Joint Services academy of the Indian Armed Forces where cadets of the three services, the Army, the Navy and the Air Force train together before they go on to respective service academies for further pre-commissioning training. The NDA, the first tri-service academy in the world .is located at Khadakwasla near Pune. The NDA ,established on 7th September 1954 is the ideal institution for the best youth in the country who want to be an army officer. Nearly 4,50,000 applicants sit for each written exam. About 6,300 of these are invited to interview. Applicants to join the Air Force also go through a Pilot Aptitude Battery Test. Edufoster , indisputably the best training institute in Kolkata, India for NDA/ SSB is equipped with highly experienced and devoted faculty members, ultra modern lab and updated study materials to help you achieve your goal.